EPA lists 2 water systems for ZIP 57301 in the Mitchell, SD area. A ZIP is a postal boundary, not a service area, so the name on your water bill decides which record applies.
Each card shows that system’s own record, never a blend. Pick one to see its full results below.
Results describe the water system, not a specific tap in ZIP 57301. Each bar marks the listed reference for that substance.
Not measured: no utility report on file. Hardness affects fixtures and appliances, not health.
Below each lab’s reporting limit. A result, not zero, and it covers only what was tested.
One result is above its listed reference. Lead mostly enters from building plumbing, which this system-level record can’t see.
The same system record, with every finding and its source.
Open city report →Lead-certified carbon filter, or reverse osmosis. Check for NSF/ANSI 53 (lead).
See treatment →The only way to see what your building adds.
How to test →Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
When your results arrive, read them here → · Compare every kit we list
Follow ZIP 57301's water
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Follow ZIP 57301's water →2 public systems are on record for ZIP 57301 (Mitchell, SD): Mitchell, Davison Rural Water System Inc. A ZIP is a postal boundary, not a service area. Confirm your supplier on your water bill.
ZIP 57301 falls within the Mitchell, SD area, but a ZIP code can span more than one utility. Read the serving system's own record for the results that apply to your address.
Check the utility name on your water bill, or resolve it from your street address with Find My Water. The ZIP-level view lists candidate systems, not a confirmed household match.